21120594

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320009}}^1$

素因数の和:320025

約数の個数: 16

約数和(自身を含む): 46081440

約数和(自身を除く): 24960846

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320009, 640018, 960027, 1920054, 3520099, 7040198, 10560297, 21120594]

約数ペア:

[(1, 21120594), (2, 10560297), (3, 7040198), (6, 3520099), (11, 1920054), (22, 960027), (33, 640018), (66, 320009)]